obama. massachusettsgovernor and the boston mayor as well as yoyo ma, and mitt romney, long time boston resident will be in attendance. meantime, all around downtown, memorials are cropping up, makeshift memorials. there are flowers everywhere, jerseys hanging along the police barricades and a sign on one of the buildings that says boston doesn't blink. training for 2014 begins now. all of this comes this day of remembrance after a day of breakthroughs yesterday. and the breakthroughs include images, so many images available. this is one of them that was obtained by our nbc affiliate whdh that shows what appears to be a bag at the site of one of the blasts. that could be the bomb. there is also video that has not been released yet, an image of a man believed to be around six feet tall in a white or off white baseball cap that is certainly some of these authorities want to talk to. this video shows this individual putting a bag down near the scene of the second blast. some of the best pictures come from the surveillance camera on the front of the lord and taylor store, which is directly

to question in relation to the boston marathon bombings. all this aspresidentobamawentto that city today to help begin the healing. scott cohn has the latest from that city. scott? >> michelle, we are, indeed, about two hours away from this long-awaited news conference. we've had an official news blackout for two days now. so we should find out what the authorities have been working on the last couple of days. some actual official information about that. potentially, a picture or pictures of the people they want to talk to and what they've learned from all of those video images. and we know that there were cell phone cameras that people have turned in and all the surveillance cameras, like the one in the lord and taylor store, just across the street from the second blast. and also, at least two others that were operated by the boston athletic association at the finish line, and those could be very high-quality images, because those were high-definition cameras. so if they caught something, that could be crucial. also, there are the fragments that they've picked up of the explosive device

. of course,presidentobamaspentnearly four hours there today, as partf interface service that they had, michelle. >> scott cohn is in boston. he has the latest from there, scott. >> michelle, we are going to finally get an official briefing from law enforcement, as bill said, that will come roughly around the top of the hour. and the plan is that it will be all law enforcement. the previous briefings have included the governor and the mayor. this is now sort of getting down to business, and it is widely anticipated that we will probably see some pictures of people of interest, that they captured on video at the time of the explosions on monday afternoon. that's part of the whole process of healing this city, healing our city was the theme of the remembrances today in boston, culminating in an hour and 15-minute long memorial service, interfaith service, at the cathedral of the holy cross. president obama speaking and delivering a message of renewal. >> this time next year, on the third monday in april, the world will return to this great american city, to run harder than ever and to ch

think you get more foot trafficunderobamacareand my analyst has a favorable rating on the company and you take it on a stock-specific basis. >> are you excited by earnings season, jeff? >> not yet. this is the real onslaught. last week was really light on the earnings front and we'll have a better peg on that after the end of this week. >> for sure. >> jeff, nice to see you. on cnbc. >> from the markets to the growing world of etfs there is 1.5 trillion under management in the u.s. alone within the etf landscape and as etfs keep gaining ground they might make their way into your portfolio and bob pis any is here with his brand new etf portfolio tracker. bob? >> and i'm very proud of that, carl. we've spoken about exchange-traded funds and the role they might play in their portfolio and we might take this to another level and we'll show you how to use etfs to build a retirement portfolio so we brought in six independent etf experts including five financial advisers that use etfs exclusively to build three retirement portfolios that we are rolling out today. the site, retirement.cnb

pilots association. a lot of republicans have charged thattheobamaadministrationis actually trying to make this look worse, make sequestration look worse for the republicans and not taking steps to try and make this system better. ray lahood and company said, hey listen, you want us to save $400 million a year. we have to do it somehow. this is how we're doing it. take a look at airline stocks. today they're doing pretty good. i want to focus on southwest. it had a great year. so have all the airlines. they're up over 60% year-to-date. even if you look today the stocks are okay. but i'll tell you, if what they say is going to happen on sunday and monday here and going forward. those airline stocks are headed just the other way. if we have the kind of delays they're talking about, real quick before i get away, show the towers, if you have the pictures of the towers out here. what will this mean, these furloughs? there won't be enough controllers. o'hare will have to shut down one of its two air traffic control towers. that means fewer runways can operate and fewer flights can take o

. there are many unanswered questions still going on in this investigation.presidentobamaaddressedthe topic of unanswered questions last night when he talked to the country after the capture of the second suspected bombing suspect. this is what the president had to say. [video clip] >> obviously tonight there are still many unanswered questions. among them, why did young man who grew up and study here as part of our communities and country resort to such violence? how did they plan and carry out these attacks and did they receive any help? the families of those killed so senselessly deserve answers. the wounded, some of who have to learn how the sand, and walk, and again, deserve answers. we will continue to deploy all the necessary resources to support the investigation, to collect intelligence, and to protect our citizens. we will determine what happened, we will investigate any associations these terrorists may have had, and we will continue to do whatever we had to do to keep our people safe. host: that was the president last night making the announcement that in fact the second suspect

today and is mourning the death of one of its police officers. we can also tell youpresidentobamawasbriefed overnight. on the series of events by lisa moniker, assistant for homeland security and counterterrorism. again, going back importantly to the details, what we do know about these suspects, which we can tell you from our very own pete williams is that they are in their early 20s, they've been in the u.s. about a year, and they have some military experience. that's all we feel comfortable reporting at this point. so, again, massachusetts institute of technology classes are canceled. the mbta transit service, which serves the greater boston area, including of course a lot of major financial firms is shut down on this friday. markets, though, shrugging it off or i should say not seeing any broad fallout. we're seeing a rally shape up in u.s. futures. we're seeing rallies across global markets. sovereign debt is performing well. here is a look at the latest on the dow, the nasdaq and the s&p. hire is a look, as well, as european markets. u.s. "squawk box" will be picking up th